From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42D0FC433DB for ; Tue, 23 Feb 2021 11:28:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF4F664E58 for ; Tue, 23 Feb 2021 11:28:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232302AbhBWL2C (ORCPT ); Tue, 23 Feb 2021 06:28:02 -0500 Received: from mail.kingsoft.com ([114.255.44.146]:45156 "EHLO mail.kingsoft.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S230142AbhBWL17 (ORCPT ); Tue, 23 Feb 2021 06:27:59 -0500 X-AuditID: 0a580157-f21ff7000005df43-d3-6034e054e921 Received: from mail.kingsoft.com (localhost [10.88.1.32]) (using TLS with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mail.kingsoft.com (SMG-1-NODE-87) with SMTP id 22.67.57155.450E4306; Tue, 23 Feb 2021 19:00:36 +0800 (HKT) Received: from alex-virtual-machine (172.16.253.254) by KSBJMAIL2.kingsoft.cn (10.88.1.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Tue, 23 Feb 2021 19:27:11 +0800 Date: Tue, 23 Feb 2021 19:27:11 +0800 From: Aili Yao To: Borislav Petkov CC: , , , , , , , , Subject: Re: [PATCH v2] x86/mce: fix wrong no-return-ip logic in do_machine_check() Message-ID: <20210223192711.0b517745@alex-virtual-machine> In-Reply-To: <20210223100538.GB26060@zn.tnic> References: <20210222180819.3998fe33@alex-virtual-machine> <20210222102206.GC29063@zn.tnic> <20210222192146.76ffec84@alex-virtual-machine> <20210222201723.0fcec589@alex-virtual-machine> <20210222122241.GA10880@zn.tnic> <20210222203549.0e54c26f@alex-virtual-machine> <20210222124550.GB10880@zn.tnic> <20210223102755.13cbdffd@alex-virtual-machine> <20210223094300.GA26060@zn.tnic> <20210223175640.5708c7ed@alex-virtual-machine> <20210223100538.GB26060@zn.tnic> Organization: kingsoft X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [172.16.253.254] X-ClientProxiedBy: KSBJMAIL1.kingsoft.cn (10.88.1.31) To KSBJMAIL2.kingsoft.cn (10.88.1.32) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrILMWRmVeSWpSXmKPExsXCFcGooBvywCTB4PEXfYvPG/6xWUzbKG5x 4VQDk8XlXXPYLC4dWMBksXnTVGaLNxfusVj82PCY1YHD43trH4vH4j0vmTw2repk83h37hy7 x/t9V9k8Pm+S8zjR8oU1gD2KyyYlNSezLLVI3y6BK+PX3ntsBTeYKyZ1fGBuYHzB1MXIySEh YCJx8/Zn5i5GLg4hgelMEqv/f2OEcF4xSpx5eJ4NpIpFQFXiff8BsA42IHvXvVmsILaIgJLE 10VzmUAamAXuMEr86ZkGNIqDQ1ggVGLJtEKQGl4BK4mbr1eD1XMK6EpM7XvEBLHgHrPEpPXX 2UES/AJiEr1X/kOdZC/RtmURI0SzoMTJmU9YQGxmAR2JE6uOMUPY8hLb384Bs4UEFCUOL/nF DtGrJHGkewYbhB0rsWzeK9YJjMKzkIyahWTULCSjFjAyr2JkKc5NN9zECImV8B2M85o+6h1i ZOJgPMQowcGsJMLLdtcoQYg3JbGyKrUoP76oNCe1+BCjNAeLkjhv4DaTBCGB9MSS1OzU1ILU IpgsEwenVAOTlUvRZAM+6TqluN85utzNFuabbUNb7eV2T03hnbnBl0Vjyjr51wf0wm/5nD99 9hG7seT5O9Gqrqd8VabuOrSp+t6Eiw6fWuO1WmwW3Urjl+DQcfnduUo9fAmzhvM3hTieyNff K1c6v9ywoGbC1+VbtsTsuCz398j1IzM7p6xpyPtrf/TYGbGjV3Occ269/aj29cdSNbEfgeXn /nS1TinerNqo9mlboGW+zeHea8Wnj+58X/S91bBtVuOZV+xCD7R1Z/vtuNacdeq1ygujRXt9 DummMDPbTPtwvevo65uJ13+yPLnTd7Z50uGNm+/IN/24nd5vc7/+wfQnTVvrDMQnXamSaFli cs7r2s/mbt2D75RYijMSDbWYi4oTAXIoh7QEAwAA Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 23 Feb 2021 11:05:38 +0100 Borislav Petkov wrote: > On Tue, Feb 23, 2021 at 05:56:40PM +0800, Aili Yao wrote: > > What i inject is AR error, and I don't see MCG_STATUS_RIPV flag. > > Then keep debugging qemu to figure out why that is. > What I think is qemu has not an easy to get the MCE signature from host or currently no methods for this So qemu treat all AR will be No RIPV, Do more is better than do less. Thanks Aili Yao